001/** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.camel.impl.cluster; 018 019import org.apache.camel.CamelContext; 020import org.apache.camel.RuntimeCamelException; 021import org.apache.camel.cluster.CamelClusterService; 022import org.apache.camel.model.RouteDefinition; 023import org.apache.camel.spi.RoutePolicy; 024import org.apache.camel.spi.RoutePolicyFactory; 025import org.apache.camel.util.ObjectHelper; 026 027public class ClusteredRoutePolicyFactory implements RoutePolicyFactory { 028 private final String namespace; 029 private final CamelClusterService clusterService; 030 private final CamelClusterService.Selector clusterServiceSelector; 031 032 public ClusteredRoutePolicyFactory(String namespace) { 033 ObjectHelper.notNull(namespace, "Cluster View Namespace"); 034 035 this.namespace = namespace; 036 this.clusterService = null; 037 this.clusterServiceSelector = ClusterServiceSelectors.DEFAULT_SELECTOR; 038 } 039 040 public ClusteredRoutePolicyFactory(CamelClusterService.Selector selector, String namespace) { 041 ObjectHelper.notNull(namespace, "Cluster View Namespace"); 042 ObjectHelper.notNull(selector, "Cluster Service Selector"); 043 044 this.namespace = namespace; 045 this.clusterService = null; 046 this.clusterServiceSelector = selector; 047 } 048 049 public ClusteredRoutePolicyFactory(CamelClusterService clusterService, String viewName) { 050 ObjectHelper.notNull(clusterService, "Cluster Service"); 051 ObjectHelper.notNull(viewName, "Cluster View Namespace"); 052 053 this.clusterService = clusterService; 054 this.namespace = viewName; 055 this.clusterServiceSelector = null; 056 } 057 058 @Override 059 public RoutePolicy createRoutePolicy(CamelContext camelContext, String routeId, RouteDefinition route) { 060 try { 061 return clusterService != null 062 ? ClusteredRoutePolicy.forNamespace(clusterService, namespace) 063 : ClusteredRoutePolicy.forNamespace(camelContext, clusterServiceSelector, namespace); 064 } catch (Exception e) { 065 throw new RuntimeCamelException(e); 066 } 067 } 068 069 // **************************************************** 070 // Static helpers 071 // **************************************************** 072 073 public static ClusteredRoutePolicyFactory forNamespace(String namespace) { 074 return new ClusteredRoutePolicyFactory(namespace); 075 } 076 077 public static ClusteredRoutePolicyFactory forNamespace(CamelClusterService.Selector selector, String namespace) { 078 return new ClusteredRoutePolicyFactory(selector, namespace); 079 } 080 081 public static ClusteredRoutePolicyFactory forNamespace(CamelClusterService clusterService, String namespace) { 082 return new ClusteredRoutePolicyFactory(clusterService, namespace); 083 } 084}